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BOSTON MARATHON 2023

Robert Lafreniere

Bib: 23599•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:33
Rank: #19829
Start → 5K
27:33 | 8:52/mi
10K· 6.21 mi
55:10
Rank: #20071 (-242)
5K → 10K
27:37 | 8:53/mi
15K· 9.32 mi
1:22:56
Rank: #20108 (-37)
10K → 15K
27:46 | 8:56/mi
20K· 12.43 mi
1:50:53
Rank: #19976 (+132)
15K → 20K
27:57 | 9:00/mi
Half· 13.11 mi
1:56:52
Rank: #19924 (+52)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:20:19
Rank: #20286 (-362)
Half → 25K
23:27 | 9:40/mi
30K· 18.64 mi
2:50:48
Rank: #20314 (-28)
25K → 30K
30:29 | 9:49/mi
20M
3:04:19
Rank: #20305 (+9)
30K → 20M
13:31 | 9:57/mi
21M
3:14:56
Rank: #20265 (+40)
20M → 21M
10:37 | 10:37/mi
35K· 21.75 mi
3:22:13
Rank: #20276 (-11)
21M → 35K
7:17 | 9:44/mi
23M
3:34:39
Rank: #20245 (+31)
35K → 23M
12:26 | 9:56/mi
24M
3:44:18
Rank: #20226 (+19)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
3:53:14
Rank: #20247 (-21)
24M → 40K
8:56 | 10:27/mi
25.2M
3:57:09
Rank: #20263 (-16)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:07:10
Rank: #20287 (-24)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:52
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:10:18
Pace9:56 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4227:338:5227:33
8:52
-
10K
6.21 mi11:52:1955:108:5327:37
8:53
+0:01
15K
9.32 mi12:20:051:22:568:5427:46
8:56
+0:03
20K
12.43 mi12:48:021:50:538:5527:57
9:00
+0:04
Half
13.11 mi12:54:011:56:528:555:59
8:46
-0:14
25K
15.53 mi13:17:282:20:199:0223:27
9:40
+0:54
30K
18.64 mi13:47:572:50:489:1030:29
9:49
+0:09
20M
20.00 mi14:01:283:04:199:1313:31
9:57
+0:08
21M
21.00 mi14:12:053:14:569:1710:37
10:37
+0:40
35K
21.75 mi14:19:223:22:139:187:17
9:44
-0:53
23M
23.00 mi14:31:483:34:399:2012:26
9:56
+0:12
24M
24.00 mi14:41:273:44:189:219:39
9:39
-0:17
40K
24.85 mi14:50:233:53:149:238:56
10:27
+0:48
25.2M
25.20 mi14:54:183:57:099:253:55
11:21
+0:54
Finish
26.22 mi15:04:194:07:109:2610:01
9:50
-1:31

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:46 /mi

Average Pace

9:26 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:52

47% of race

Time at Steady Pace

1:46:50

43% of race

Time at Slower Pace

23:28

9% of race

Average Pace: 9:26 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:24:4227:338:5227:33
8:52
#19829
10K
6.21 mi11:52:1955:108:5327:37
8:53
#20071
15K
9.32 mi12:20:051:22:568:5427:46
8:56
#20108
20K
12.43 mi12:48:021:50:538:5527:57
9:00
#19976
Half
13.11 mi12:54:011:56:528:555:59
8:46
#19924
25K
15.53 mi13:17:282:20:199:0223:27
9:40
#20286
30K
18.64 mi13:47:572:50:489:1030:29
9:49
#20314
20M
20.00 mi14:01:283:04:199:1313:31
9:57
#20305
21M
21.00 mi14:12:053:14:569:1710:37
10:37
#20265
35K
21.75 mi14:19:223:22:139:187:17
9:44
#20276
23M
23.00 mi14:31:483:34:399:2012:26
9:56
#20245
24M
24.00 mi14:41:273:44:189:219:39
9:39
#20226
40K
24.85 mi14:50:233:53:149:238:56
10:27
#20247
25.2M
25.20 mi14:54:183:57:099:253:55
11:21
#20263
Finish
26.22 mi15:04:194:07:109:2610:01
9:50
#20287
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19829121021210220200(Top 76%)12400(Top 82%)12400(Top 2259%)
10K6.21 mi3.10 mi20071-24212246-14412246-14420370(Top 77%)12442(Top 82%)12442(Top 2266%)
15K9.32 mi3.11 mi20108-3712290-4412290-4420200(Top 76%)12400(Top 82%)12400(Top 2259%)
20K12.43 mi3.11 mi19976+13212243+4712243+4719681(Top 74%)12175(Top 80%)12175(Top 2218%)
Half13.11 mi0.68 mi19924+5212224+1912224+1919333(Top 73%)12039(Top 79%)12039(Top 2193%)
25K15.53 mi2.42 mi20286-36212401-17712401-17721354(Top 80%)12860(Top 85%)12860(Top 2342%)
30K18.64 mi3.11 mi20314-2812385+1612385+1620477(Top 77%)12412(Top 82%)12412(Top 2261%)
20M20.00 mi1.36 mi20305+912367+1812367+1820325(Top 76%)12262(Top 81%)12262(Top 2234%)
21M21.00 mi1.00 mi20265+4012341+2612341+2619920(Top 75%)12014(Top 79%)12014(Top 2188%)
35K21.75 mi0.75 mi20276-1112340+112340+120555(Top 77%)12284(Top 81%)12284(Top 2238%)
23M23.00 mi1.25 mi20245+3112320+2012320+2019770(Top 74%)11918(Top 79%)11918(Top 2171%)
24M24.00 mi1.00 mi20226+1912300+2012300+2019720(Top 74%)11881(Top 78%)11881(Top 2164%)
40K24.85 mi0.85 mi20247-2112297+312297+321079(Top 79%)12395(Top 82%)12395(Top 2258%)
25.2M25.20 mi0.35 mi20263-1612298-112298-121222(Top 80%)12488(Top 82%)12488(Top 2275%)
Finish26.22 mi1.02 mi20287-2412302-412302-421241(Top 80%)12533(Top 83%)12533(Top 2283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20200

Males

12400

M65-69

12400

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20370

Males

12442

M65-69

12442

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20200

Males

12400

M65-69

12400

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19681

Males

12175

M65-69

12175

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19333

Males

12039

M65-69

12039

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

21354

Males

12860

M65-69

12860

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20477

Males

12412

M65-69

12412

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20325

Males

12262

M65-69

12262

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19920

Males

12014

M65-69

12014

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20555

Males

12284

M65-69

12284

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19770

Males

11918

M65-69

11918

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19720

Males

11881

M65-69

11881

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21079

Males

12395

M65-69

12395

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21222

Males

12488

M65-69

12488

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21241

Males

12533

M65-69

12533

Passing Analysis

Category:
Athletes Passed
1279
Passed By
1737
Net Change
-458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19829
5K → 10K205447-242#19829#20071
10K → 15K160197-37#20071#20108
15K → 20K235103+132#20108#19976
20K → Half6210+52#19976#19924
Half → 25K49411-362#19924#20286
25K → 30K146174-28#20286#20314
30K → 20M8273+9#20314#20305
20M → 21M9454+40#20305#20265
21M → 35K2940-11#20265#20276
35K → 23M8453+31#20276#20245
23M → 24M5637+19#20245#20226
24M → 40K3556-21#20226#20247
40K → 25.2M1127-16#20247#20263
25.2M → Finish3155-24#20263#20287
TOTALS12791737-458
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing